Warning light bar



FIG. 1 is a top perspective view of a warning light bar showing the newdesign;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is bottom plan view thereof;

FIG. 5 is a front view thereof;

FIG. 6 is a rear view thereof;

FIG. 7 is a left side view thereof; and,

FIG. 8 is a right side view thereof.

CLAIM The ornamental design for a warning light bar, as shown anddescribed.